The Winntec SAFERGO truck tire dolly is the easiest way to mount and dismount truck tires. This convenient dolly makes manually lifting wheelsets completely unnecessary. Simply slide the rollers underneath the tire and use the jack handle to raise it to the desired height. You can then use the included Gaither O-LINE-ER to perfectly position the wheel for easy installation. The SAFERGO also comes equipped with a collapsible handle frame making it easy to store and ideal for mobile service. * Lifting Capacity 350 lbs * Reduces back strain * Includes Gaither O-LINE-ER * Collapsible handle frame